One Stop Systems SEC Filings
NASDAQ: OSSTechnologyComputer ManufacturingUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
One Stop Systems filing overview
This page lists 60 recent SEC filings by One Stop Systems (OSS), including 24 4, 12 8-K, 7 SCHEDULE 13G/A, 5 10-Q. The latest annual report (10-K) was filed on Mar 18, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 5, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 5, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
OSS SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 9, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Sep 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 5, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Aug 5, 2026 | 8-K | Entry into a Material Definitive Agreement; Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Jul 31, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jul 29, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jul 24, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jun 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 13, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 8, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| May 6, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Apr 15, 2026 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Apr 15, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 27, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Mar 18, 2026 | 10-K | Annual report | View on EDGAR |
| Mar 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 17, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 13, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 11, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 11, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 6, 2026 | 8-K | Entry into a Material Definitive Agreement; Completion of Acquisition or Disposition of Assets; Regulation FD Disclosure | View on EDGAR |
| Nov 18, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Nov 5, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Oct 1, 2025 | 424B5 | Prospectus | View on EDGAR |
| Oct 1, 2025 | 8-K | Entry into a Material Definitive Agreement; Regulation FD Disclosure | View on EDGAR |
| Sep 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 25, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Jun 6, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| May 28, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 23, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 20, 2025 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 13, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 9, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| May 7, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Apr 21, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Apr 18, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Apr 15, 2025 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Apr 15, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year | View on EDGAR |
| Mar 21, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 19, 2025 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Mar 19, 2025 | 10-K | Annual report | View on EDGAR |
| Mar 13, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 14, 2025 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jan 14, 2025 | 8-K | Regulation FD Disclosure | View on EDGAR |
| Dec 30, 2024 | 4 | Statement of changes in beneficial ownership | View on EDGAR |